Shimano ES300 Bottom Bracket 73x113mm RGroup_E8F39DAE57E2FABE2A2F5D3730F153BB64670211 so you can practice climbing

so you can practice climbing body angles and build stronger pedalling technique before tackling the toughest routes outdoors

providing up to 18 hours of run time on standard modes

including tall and stocky frames

and a reliable Shimano drivetrain for a smooth and efficient ride

ensuring durability and reliability

Shimano ES300 Bottom Bracket 73x113mm RGroup_E8F39DAE57E2FABE2A2F5D3730F153BB64670211 so you can practice climbingThe Shimano ES300 Bottom Bracket, sized at 73x113mm, is crafted for compatibility with various bike frames. Its hollow type construction provides a lightweight and durable option for smooth pedaling. The 113mm spindle length ensures an optimal chainline, enhancing power transfer efficiency. Upgrade your bike with the dependable Shimano ES300.